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Finding the Fourth Proportional to 408,023.60, 611,614.20 and 183,491.60

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Solution

The fourth proportional to 408,023.60, 611,614.20 and 183,491.60 is: 275,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,023.60 : 611,614.20 = 183,491.60 : x
  2. Step 2: Convert to fraction form
    408,023.60/611,614.20 = 183,491.60/x
  3. Step 3: Cross multiply
    408,023.60x = 611,614.20 × 183,491.60
  4. Step 4: Simplify right side
    408,023.60x = 112,226,068,140.72
  5. Step 5: Solve for x
    x = 112,226,068,140.72/408,023.60
  6. Step 6: Final answer
    x = 275,047.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.